package org.yellow.backend.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;
import org.yellow.backend.mapper.MenuMapper;
import org.yellow.backend.mapper.UserMapper;
import org.yellow.backend.pojo.LoginUser;
import org.yellow.backend.pojo.User;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;


@Service
public class UserDetailsServiceImpl implements UserDetailsService {

    @Autowired
    private UserMapper userMapper;
    @Autowired
    private MenuMapper menuMapper;

    private static final Logger log = LoggerFactory.getLogger(UserDetailsServiceImpl.class);
    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        //查询用户信息
        LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(User::getUserName,username);

        User user = userMapper.selectOne(queryWrapper);
        //如果没有查询到用户就抛出异常
        if (Objects.isNull(user)){
            throw new RuntimeException("用户名或密码错误");
        }
        //todo 查询对应的权限信息
        //List<String> list = new ArrayList<>(Arrays.asList("test","admin"));
        List<String> list = menuMapper.selectPermsByUserId(user.getId());
        //把数据封装成userDetails返回
        return new LoginUser(user,list);
    }
}
